frontend: wrapped 'RDP' string in japanese localization

String 'Remote Desktop' was broken into two lines in 'Console Options'
dialog.

Change-Id: I65b57c348058d581c6138c91f4832d4a9cd04a68
Signed-off-by: Frantisek Kobzik <fkobzik@redhat.com>
Bug-Url: https://bugzilla.redhat.com/1000968